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Investigation Into Bombing at Bangkok Shrine Widens

At least 10 people are being sought in connection with the blast at the Erawan Shrine

Thailand’s military government said it was unlikely the bombing attack on Aug. 17, which killed at least 20 people, was linked to international terrorism. Photo: AP

By

Wilawan Watcharasakwet

Updated Aug. 20, 2015 10:56 a.m. ET

BANGKOK—The investigation into who planted the bomb that killed 20 people in the Thai capital is widening, with the country’s police chief on Thursday saying at least 10 people are being sought in connection with the blast.

Police earlier said a man who security-camera footage appeared to show planting the bomb at a Bangkok shrine Monday evening was a foreigner.